package Year2021.Month11.Day1Homework.Day2;

public class Test {
    public static void main(String[] args) {
        TV tv=new TV("灰色",4200,24);
        tv.show();
        RemoteControl r=new RemoteControl(19.5,"客厅","黑色");
        r.show();
        r.powerOn(tv);
        r.changeChannel(tv);
        r.shutDown(tv);
    }
}
